Hashing

>All of this talk about hashing, again. :) A while ago a posted what I
>thought was a nice solution to this whole problem. I got no response on
>it, so I was never sure whether it was deemed a good thing, a weird
>thing (green plane idea), or a bad thing.
Hi, Travis: I remember your original post -- I saved it away and went
back to it when the hashing stuff came up again. I agree with it; I
don't know why the hashing stuff (an implementation detail of Set keys)
has become so ingrained in the image such that every object must always
have a hash value. I like the idea of computing and attaching a hash
value to an object only when it is required, and like your idea of
pushing the hash computation out to the application itself.
-- tim